Information card for entry 4030359

Structure parameters

• Formula: Al5 K Mg2 O18 Si4
• Calculated formula: Al5.01 K Mg2 O18 Si3.99
• Title of publication: Powder neutron diffraction study of alkali-substituted cordierites with MxMg2Al4+xSi5-xO18 (M = K, Cs; 0<x<1) formula
• Authors of publication: Thomas, P.; Mercurio, D.; Mercurio, J. P.; Frit, B.
• Journal of publication: European Journal of Solid State and Inorganic Chemistry
• Year of publication: 1991
• Journal volume: 28
• Pages of publication: 1011 - 1020
• a: 9.8001 ± 0.0001 Å
• b: 9.8001 ± 0.0001 Å
• c: 9.4105 ± 0.0002 Å
• α: 90°
• β: 90°
• γ: 120°
• Cell volume: 782.72 ± 0.02 ų
• Ambient diffraction temperature: 293 K
• Number of distinct elements: 5
• Space group number: 192
• Hermann-Mauguin space group symbol: P 6/m c c
• Hall space group symbol: -P 6 2c
• Method of determination: powder diffraction
• Diffraction radiation probe: neutron
• Diffraction radiation type: white
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No